| Ex. ECO-B-099 | WMATA, 'COVID-19 Information: Service Changes due to the public health emergency' (page as of May 13, 2020)WMATA COVID-19 service changes: reduced Metrorail and Metrobus service, station closures and rear-door boarding during the public health… | Washington Metropolitan Area Transit Authority | District of Columbia, Maryland, Virginia (Washington Metropolitan Area Transit Authority)State | Mar. 16, 2020 | 2020 Q2 | Travel and quarantineOther | Primary source read | |
| Ex. AGY-ST-TRANSPORT-PORTS-TRANSIT-001 | MDOT MTA 'Coronavirus Updates' service-status notice, last updated Mar. 17, 2020 7:00 p.m.: system-wide service reductions effective Mar. 18, 2020; rear-door boarding on all bus routes; Transit Store and Reduced Fare Certification Office closed from Mar. 16Coronavirus Updates - Service Status (service reductions on all vehicle modes effective Wednesday, March 18) | Maryland Department of Transportation, Maryland Transit Administration (MDOT MTA) | Maryland (Baltimore region; MARC Penn, Camden and Brunswick Lines to Washington, D.C. and Martinsburg, W. Va.)State | Mar. 17, 2020 | 2020 Q22020 Q3 | Travel and quarantineCourts and public officesOther | Primary source read | |
| Ex. DC-006 | Mayor's Order 2020-054Stay at Home Order | Mayor Muriel Bowser | District of ColumbiaState | Mar. 30, 2020 | 2020 Q2 | Stay-at-homeBusiness closureTelework mandateGathering capTravel and quarantineWorkplace rules | Primary source read | |
| Ex. DC-008 | Mayor's Order 2020-063Extensions of Public Emergency and Public Health Emergency and Measures to Protect Vulnerable Populations During the COVID-19 Public Health… | Mayor Muriel Bowser | District of ColumbiaState | Apr. 15, 2020 | 2020 Q2 | Emergency declarationStay-at-homeBusiness closureGathering capFace-covering requirementHealth care ordersWorkplace rules | Primary source read | |
| Ex. DC-019 | Mayor's Order 2020-066Extensions of Public Emergency and Public Health Emergency and Preparation for Washington, DC Reopening | Mayor Muriel Bowser | District of ColumbiaState | May 13, 2020 | 2020 Q22020 Q3 | Emergency declarationStay-at-homeTelework mandateGathering capFace-covering requirementWorkplace rules | Primary source read | |
| Ex. SEC-03-060 | Mayor's Order 2020-067Phase One of Washington, DC Reopening | Mayor Muriel Bowser | District of ColumbiaCity | May 27, 2020 | 2020 Q2 | Stay-at-homeBusiness closureGathering capHealth care orders | Primary source read | |
| Ex. DC-081 | Mayor's Order 2020-081Requirement to Self-Quarantine After Non-Essential Travel During the COVID-19 Public Health Emergency | Mayor Muriel Bowser | District of ColumbiaState | July 24, 2020 | 2020 Q32020 Q4 | Travel and quarantineQuarantine and isolation | Primary source read | |
| Ex. ECO-C-030 | Mayor's Order 2020-081 (and Mayor's Order 2020-110, Nov. 6, 2020)Requirement to self-quarantine after non-essential travel to high-risk areas during COVID-19 | Mayor Muriel Bowser | District of ColumbiaCity | July 24, 2020 | 2020 Q32020 Q42021 Q1 | Travel and quarantineQuarantine and isolation | Confirmed from a secondary source | |
| Ex. DC-012 | Mayor's Order 2020-110Modified Requirements Regarding Self-Quarantines, Testing, and Travel During the COVID-19 Public Health Emergency | Mayor Muriel Bowser | District of ColumbiaState | Nov. 6, 2020 | 2020 Q42021 Q12021 Q2 | Travel and quarantineWorkplace rulesQuarantine and isolation | Primary source read | |
| Ex. DC-046 | DC Health, Phase Two Revised Hotels Guidance (December 14, 2020)Phase Two Revised Hotels Guidance | DC Health | District of ColumbiaSector regulator | Dec. 14, 2020 | 2020 Q42021 Q12021 Q2 | Capacity limitFace-covering requirementTravel and quarantineWorkplace rules | Primary source read | |
| Ex. DC-050 | DC Health, COVID-19 Guidance for Travel (last updated December 14, 2020)Guidance for Travel | DC Health | District of ColumbiaSector regulator | Dec. 14, 2020 | 2020 Q42021 Q12021 Q2 | Travel and quarantineQuarantine and isolation | Primary source read | |
| Ex. DC-016 | Mayor's Order 2021-038Extension of the Public Emergency and Public Health Emergency and Modified Measures in Phase Two of Washington, DC Reopening | Mayor Muriel Bowser | District of ColumbiaState | Mar. 17, 2021 | 2021 Q12021 Q2 | Emergency declarationBusiness closureTelework mandateCapacity limitGathering capFace-covering requirementTravel and quarantineCurfew and hoursAlcohol and barsEvents and venuesWorkplace rulesQuarantine and isolation | Primary source read | |